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nignag [31]
3 years ago
14

Ten people split up into five groups of two each. in how many ways can this be done?

Mathematics
1 answer:
Zielflug [23.3K]3 years ago
8 0
Input into your calculator, 10C2 x 8C2 x 6C2 x 4C2 x 2C2
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Find the equation of this line
Tatiana [17]
The points are (-4,2) and (3,-4)
using y2-y1/x2-x1
-4-2/3-2
-6/1
slope (m) is -6
to find b part of equation (y=mx+b) plug in point value for x and y
2=-6(-4)+b (multiply -6 and -4)
2=24+b (subtract 24 over)
b=-22
final equation is y=-6x-22
3 0
3 years ago
20 Points! Please Help!
ivolga24 [154]

To solve this problem yo need to have the "x", the "y", and the radius. To find the radius since it is not given we use the formula.

sq rt(-3^2+1^2)

sq rt(9+1)

sq rt(10) would be the length of the radius in this case.

Then we use the sine cosine and tangent fractions

sin:y/r

cos:x/r

tan:y/x

With the values plugged in the equations are

SIN:1/sqrt(10) Since there can´t be a sq rt in hte denominator we change it to 1(sq rt(10))/10

COS:-3/sqrt(10) Since there can´t be a sq rt in the denominator we change it to -3(sq rt(10))/10

TAN:1/-3 This one can stay the same.

This would be the measures of SIN, COS, and TAN.

3 0
3 years ago
2. Using the histogram above, determine the grade students scored with the highest frequency.
Verizon [17]
Answer choice B
Hope this helps
5 0
3 years ago
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An isosceles triangle has an angle that measures 90°. Which other angles could be in that isosceles triangle? Choose all that ap
Inga [223]

Answer:

Step-by-step explanation:

If one angle = 90 degrees, then the other 2 added together must also = 90.

There is only 1 answer to this, since the triangle is isosceles..

x + x = 90        Combine

2x = 90            Divide by 2

x = 90/2          

x = 45

So both acute angles = 45 degrees.  

8 0
2 years ago
1 day= ____________ seconds <br> Please show the work!!
Nimfa-mama [501]

Answer:

86400 seconds

Step-by-step explanation:

The unit of measurement "day" (symbol d) is defined as 86,400 SI seconds.

8 0
3 years ago
Read 2 more answers
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